Behavioral Economics Commons^™

How Do People Update Beliefs About Themselves Under Risk, Zhongyi Tang

Senior Theses and Projects

This paper aims to understand whether people follow Bayes’ Rule to update beliefs about important attributes they do not know much about. If they fail to Bayesian update their beliefs, the paper investigates how the external environment, good news versus bad news, risk levels, and the imperfect memory factor contribute to the departure from Bayes Rule. An experimental approach is used to recreate a simplified entrepreneurship scenario in the laboratory environment which was implemented through oTree. 249 participants were recruited through Amazon’s Mechanical Turk. Findings in this paper suggest that people with Low ability have tendency toward overconfidence which persists …